Using the Effective Number of Bits to Evaluate the Measurement Uncertainty

Salvatore Nuccio, Ciro Spataro
Abstract:
The paper deals with the measurement uncertainty evaluation of the A/D conversion based instruments, by using the effective number of bits (ENOB), which is a well know parameter, employed to characterize the overall behavior of an A/D converter. In order to verify if the ENOB can be also used to assess the measurement uncertainty, we use an ad hoc developed software tool. The results show that using the ENOB can lead to an underestimate of the uncertainties.
Keywords:
analog-digital conversion, data acquisition boards, digital signal processing, measurement uncertainty, virtual instrumentation
Download:
IMEKO-TC7-2002-015.pdf
DOI:
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Event details
IMEKO TC:
TC7
Event name:
TC7 Symposium 2002
Title:
Symposium on New Developments in the Field of Measurement Science
Place:
Cracow, POLAND
Time:
25 June 2002 - 27 June 2002